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1# Copyright 1999-2011 Gentoo Foundation 1# Copyright 1999-2011 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.106 2011/08/22 19:39:52 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.118 2012/01/06 21:06:17 vapier Exp $
4 4
5# @ECLASS: autotools.eclass 5# @ECLASS: autotools.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# base-system@gentoo.org 7# base-system@gentoo.org
8# @BLURB: Regenerates auto* build scripts 8# @BLURB: Regenerates auto* build scripts
9# @DESCRIPTION: 9# @DESCRIPTION:
10# This eclass is for safely handling autotooled software packages that need to 10# This eclass is for safely handling autotooled software packages that need to
11# regenerate their build scripts. All functions will abort in case of errors. 11# regenerate their build scripts. All functions will abort in case of errors.
12# 12
13# NB: If you add anything, please comment it! 13# Note: We require GNU m4, as does autoconf. So feel free to use any features
14# from the GNU version of m4 without worrying about other variants (i.e. BSD).
15
16if [[ ${___ECLASS_ONCE_AUTOTOOLS} != "recur -_+^+_- spank" ]] ; then
17___ECLASS_ONCE_AUTOTOOLS="recur -_+^+_- spank"
14 18
15inherit eutils libtool 19inherit eutils libtool
16 20
17# @ECLASS-VARIABLE: WANT_AUTOCONF 21# @ECLASS-VARIABLE: WANT_AUTOCONF
18# @DESCRIPTION: 22# @DESCRIPTION:
99# @DESCRIPTION: 103# @DESCRIPTION:
100# Don't run elibtoolize command if set to 'yes', 104# Don't run elibtoolize command if set to 'yes',
101# useful when elibtoolize needs to be ran with 105# useful when elibtoolize needs to be ran with
102# particular options 106# particular options
103 107
104# XXX: M4DIR should be deprecated
105# @ECLASS-VARIABLE: AT_M4DIR 108# @ECLASS-VARIABLE: AT_M4DIR
106# @DESCRIPTION: 109# @DESCRIPTION:
107# Additional director(y|ies) aclocal should search 110# Additional director(y|ies) aclocal should search
108: ${AT_M4DIR:=${M4DIR}} 111: ${AT_M4DIR:=}
112
113# @ECLASS-VARIABLE: AT_SYS_M4DIR
114# @INTERNAL
115# @DESCRIPTION:
116# For system integrators, a list of additional aclocal search paths.
117# This variable gets eval-ed, so you can use variables in the definition
118# that may not be valid until eautoreconf & friends are run.
119: ${AT_SYS_M4DIR:=}
109 120
110# @FUNCTION: eautoreconf 121# @FUNCTION: eautoreconf
111# @DESCRIPTION: 122# @DESCRIPTION:
112# This function mimes the behavior of autoreconf, but uses the different 123# This function mimes the behavior of autoreconf, but uses the different
113# eauto* functions to run the tools. It doesn't accept parameters, but 124# eauto* functions to run the tools. It doesn't accept parameters, but
146 157
147 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0 158 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
148 159
149 # Call it here to prevent failures due to elibtoolize called _before_ 160 # Call it here to prevent failures due to elibtoolize called _before_
150 # eautoreconf. We set $S because elibtoolize runs on that #265319 161 # eautoreconf. We set $S because elibtoolize runs on that #265319
151 S=${PWD} elibtoolize 162 S=${PWD} elibtoolize --force
152 163
153 return 0 164 return 0
165}
166
167# @FUNCTION: eaclocal_amflags
168# @DESCRIPTION:
169# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
170# (most) of the crazy crap that people throw at us.
171eaclocal_amflags() {
172 local aclocal_opts amflags_file
173
174 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
175 [[ -e ${amflags_file} ]] || continue
176 # setup the env in case the pkg does something crazy
177 # in their ACLOCAL_AMFLAGS. like run a shell script
178 # which turns around and runs autotools. #365401
179 # or split across multiple lines. #383525
180 autotools_env_setup
181 aclocal_opts=$(sed -n \
182 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
183 # match the first line
184 s:[^=]*=::p; \
185 # then gobble up all escaped lines
186 : nextline /\\\\$/{ n; p; b nextline; } \
187 }" ${amflags_file})
188 eval aclocal_opts=\""${aclocal_opts}"\"
189 break
190 done
191
192 echo ${aclocal_opts}
154} 193}
155 194
156# @FUNCTION: eaclocal 195# @FUNCTION: eaclocal
157# @DESCRIPTION: 196# @DESCRIPTION:
158# These functions runs the autotools using autotools_run_tool with the 197# These functions runs the autotools using autotools_run_tool with the
159# specified parametes. The name of the tool run is the same of the function 198# specified parametes. The name of the tool run is the same of the function
160# without e prefix. 199# without e prefix.
161# They also force installing the support files for safety. 200# They also force installing the support files for safety.
162# Respects AT_M4DIR for additional directories to search for macro's. 201# Respects AT_M4DIR for additional directories to search for macro's.
163eaclocal() { 202eaclocal() {
164 local aclocal_opts
165
166 local amflags_file
167 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
168 [[ -e ${amflags_file} ]] || continue
169 # setup the env in case the pkg does something crazy
170 # in their ACLOCAL_AMFLAGS. like run a shell script
171 # which turns around and runs autotools #365401
172 autotools_env_setup
173 aclocal_opts=$(sed -n '/^ACLOCAL_AMFLAGS[[:space:]]*=/s:[^=]*=::p' ${amflags_file})
174 eval aclocal_opts=\"${aclocal_opts}\"
175 break
176 done
177
178 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \ 203 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
179 autotools_run_tool aclocal $(autotools_m4dir_include) "$@" ${aclocal_opts} 204 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
180} 205}
181 206
182# @FUNCTION: _elibtoolize 207# @FUNCTION: _elibtoolize
183# @DESCRIPTION: 208# @DESCRIPTION:
184# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from 209# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
203# @DESCRIPTION: 228# @DESCRIPTION:
204# Runs autoheader. 229# Runs autoheader.
205eautoheader() { 230eautoheader() {
206 # Check if we should run autoheader 231 # Check if we should run autoheader
207 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0 232 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
208 NO_FAIL=1 autotools_run_tool autoheader $(autotools_m4dir_include) "$@" 233 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
209} 234}
210 235
211# @FUNCTION: eautoconf 236# @FUNCTION: eautoconf
212# @DESCRIPTION: 237# @DESCRIPTION:
213# Runs autoconf. 238# Runs autoconf.
217 eerror "No configure.{ac,in} present in '${PWD}'!" 242 eerror "No configure.{ac,in} present in '${PWD}'!"
218 echo 243 echo
219 die "No configure.{ac,in} present!" 244 die "No configure.{ac,in} present!"
220 fi 245 fi
221 246
222 autotools_run_tool autoconf $(autotools_m4dir_include) "$@" 247 autotools_run_tool --at-m4flags autoconf "$@"
223} 248}
224 249
225# @FUNCTION: eautomake 250# @FUNCTION: eautomake
226# @DESCRIPTION: 251# @DESCRIPTION:
227# Runs automake. 252# Runs automake.
229 local extra_opts 254 local extra_opts
230 local makefile_name 255 local makefile_name
231 256
232 # Run automake if: 257 # Run automake if:
233 # - a Makefile.am type file exists 258 # - a Makefile.am type file exists
234 # - a Makefile.in type file exists and the configure
235 # script is using the AM_INIT_AUTOMAKE directive 259 # - the configure script is using the AM_INIT_AUTOMAKE directive
236 for makefile_name in {GNUmakefile,{M,m}akefile}.{am,in} "" ; do 260 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
237 [[ -f ${makefile_name} ]] && break 261 [[ -f ${makefile_name} ]] && break
238 done 262 done
239 [[ -z ${makefile_name} ]] && return 0
240 263
241 if [[ ${makefile_name} == *.in ]] ; then 264 if [[ -z ${makefile_name} ]] ; then
242 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then 265 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
243 return 0 266 return 0
244 fi 267 fi
245 268
246 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then 269 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
258 eautoreconf 281 eautoreconf
259 return 0 282 return 0
260 fi 283 fi
261 fi 284 fi
262 285
263 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \ 286 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
264 || extra_opts="${extra_opts} --foreign" 287 || extra_opts="${extra_opts} --foreign"
265 288
266 # --force-missing seems not to be recognized by some flavours of automake 289 # --force-missing seems not to be recognized by some flavours of automake
267 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@" 290 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
268} 291}
270# @FUNCTION: eautopoint 293# @FUNCTION: eautopoint
271# @DESCRIPTION: 294# @DESCRIPTION:
272# Runs autopoint (from the gettext package). 295# Runs autopoint (from the gettext package).
273eautopoint() { 296eautopoint() {
274 autotools_run_tool autopoint "$@" 297 autotools_run_tool autopoint "$@"
298}
299
300# @FUNCTION: config_rpath_update
301# @USAGE: [destination]
302# @DESCRIPTION:
303# Some packages utilize the config.rpath helper script, but don't
304# use gettext directly. So we have to copy it in manually since
305# we can't let `autopoint` do it for us.
306config_rpath_update() {
307 local dst src=$(type -P gettext | sed 's:bin/gettext:share/gettext/config.rpath:')
308
309 [[ $# -eq 0 ]] && set -- $(find -name config.rpath)
310 [[ $# -eq 0 ]] && return 0
311
312 einfo "Updating all config.rpath files"
313 for dst in "$@" ; do
314 einfo " ${dst}"
315 cp "${src}" "${dst}" || die
316 done
275} 317}
276 318
277# Internal function to run an autotools' tool 319# Internal function to run an autotools' tool
278autotools_env_setup() { 320autotools_env_setup() {
279 # We do the “latest” → version switch here because it solves 321 # We do the “latest” → version switch here because it solves
289 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}" 331 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
290 fi 332 fi
291 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5 333 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
292} 334}
293autotools_run_tool() { 335autotools_run_tool() {
336 # Process our own internal flags first
337 local autofail=true m4flags=false
338 while [[ -n $1 ]] ; do
339 case $1 in
340 --at-no-fail) autofail=false;;
341 --at-m4flags) m4flags=true;;
342 # whatever is left goes to the actual tool
343 *) break;;
344 esac
345 shift
346 done
347
294 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then 348 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
295 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase" 349 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
296 fi 350 fi
297 351
298 autotools_env_setup 352 autotools_env_setup
307 [[ -e ${STDERR_TARGET} ]] || break 361 [[ -e ${STDERR_TARGET} ]] || break
308 : $(( i++ )) 362 : $(( i++ ))
309 done 363 done
310 fi 364 fi
311 365
366 if ${m4flags} ; then
367 set -- "${1}" $(autotools_m4dir_include) "${@:2}" $(autotools_m4sysdir_include)
368 fi
369
312 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}" 370 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
313 371
314 ebegin "Running $@" 372 ebegin "Running $@"
315 "$@" >> "${STDERR_TARGET}" 2>&1 373 "$@" >> "${STDERR_TARGET}" 2>&1
316 eend $? 374 if ! eend $? && ${autofail} ; then
317
318 if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
319 echo 375 echo
320 eerror "Failed Running $1 !" 376 eerror "Failed Running $1 !"
321 eerror 377 eerror
322 eerror "Include in your bugreport the contents of:" 378 eerror "Include in your bugreport the contents of:"
323 eerror 379 eerror
335 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null 391 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
336 done 392 done
337 return 0 393 return 0
338} 394}
339 395
396# Internal function to look for a macro and extract its value
397autotools_check_macro_val() {
398 local macro=$1 scan_out
399
400 autotools_check_macro "${macro}" | \
401 gawk -v macro="${macro}" \
402 '($0 !~ /^[[:space:]]*(#|dnl)/) {
403 if (match($0, macro ":(.*)$", res))
404 print res[1]
405 }' | uniq
406
407 return 0
408}
409
340# Internal function to get additional subdirs to configure 410# Internal function to get additional subdirs to configure
341autotools_get_subdirs() { 411autotools_get_subdirs() { autotools_check_macro_val AC_CONFIG_SUBDIRS ; }
342 local subdirs_scan_out 412autotools_get_auxdir() { autotools_check_macro_val AC_CONFIG_AUX_DIR ; }
343 413
344 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS")
345 [[ -n ${subdirs_scan_out} ]] || return 0
346
347 echo "${subdirs_scan_out}" | gawk \
348 '($0 !~ /^[[:space:]]*(#|dnl)/) {
349 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
350 print res[1]
351 }' | uniq
352
353 return 0
354}
355
356autotools_get_auxdir() {
357 local auxdir_scan_out
358
359 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
360 [[ -n ${auxdir_scan_out} ]] || return 0
361
362 echo ${auxdir_scan_out} | gawk \
363 '($0 !~ /^[[:space:]]*(#|dnl)/) {
364 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
365 print res[1]
366 }' | uniq
367
368 return 0
369}
370
371autotools_m4dir_include() { 414_autotools_m4dir_include() {
372 [[ -n ${AT_M4DIR} ]] || return
373
374 local include_opts= 415 local x include_opts
375 416
376 for x in ${AT_M4DIR} ; do 417 for x in "$@" ; do
377 case "${x}" in 418 case ${x} in
378 "-I")
379 # We handle it below 419 # We handle it below
380 ;; 420 -I) ;;
381 *) 421 *)
382 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist" 422 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
383 include_opts="${include_opts} -I ${x}" 423 include_opts+=" -I ${x}"
384 ;; 424 ;;
385 esac 425 esac
386 done 426 done
387 427
388 echo $include_opts 428 echo ${include_opts}
389} 429}
430autotools_m4dir_include() { _autotools_m4dir_include ${AT_M4DIR} ; }
431autotools_m4sysdir_include() { _autotools_m4dir_include $(eval echo ${AT_SYS_M4DIR}) ; }
432
433fi

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